Bioprocessing
Accelerate your biologic drug development with Praesto®
chromatography resins.

Accelerate your biologic drug development with Praesto®
chromatography resins.
As a global leader in resin technology, we develop and manufacture small beads that are used in the most regulated industries in the world to separate, remove or recover very specific elements and compounds.
Learn MoreWith 40 years of manufacturing expertise and 30 years of regulatory experience, we supply leading separation, purification and extraction technologies to support chromatography and biocatalysis applications in healthcare and life sciences.
Learn moreWe are a world leader in resin-based separation, purification and extraction technology, that provides sustainable solutions for our environment, businesses and healthcare.
Learn MorePolystyrenic Macroporous, Iminodiacetic acid Chelating Resin, High Capacity
Our always-ready technical support and service teams go the extra step to be your most trusted resource. We're here for you.
Polymer Structure | Macroporous polystyrene crosslinked with divinylbenzene | |
Appearance | Spherical Beads | |
Functional Group | Iminodiacetic | |
Ionic Form | Na+ form | |
Copper Capacity (min.) | 50 g/L | |
Moisture Retention | 52 - 60 % (Na+ form) | |
Particle Size Range | 425 - 1000 µm | |
< 425 µm (max.) | 2 % | |
Uniformity Coefficient (max.) | 1.5 | |
Reversible Swelling, H+ → Na+ (max.) | 35 % | |
Specific Gravity | 1.18 | |
Shipping Weight (approx.) | 750 - 800 g/L (46.9 - 50.0 lb/ft³) | |
Temperature Limit | 80 °C (176.0 °F) |
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